How to indicate the source and date in the literature?

Generally marked with serial number, file name, place and date.

Monographs, dissertations, etc. The main marking methods of monographs and dissertations are: serial number, principal, document title, document type identification, place of publication, publisher, year of publication and page number.

For example: 1xxx (principal), XXXX (document title), m, Beijing, xxxx (publisher's name), 202 1, xx-xx (page number).

② Periodical articles, etc. The main contents of periodical articles are: serial number. Principal responsible person, document title, publication name, year, volume, starting and ending page numbers.

For example: 1xxx (principal), XXXX (document title), j, xxxx (publication name), 202 1, xxxx (volume), xx-xx (page number).

③ Newspaper articles: The contents to be marked in newspaper articles include: serial number, principal responsible person, document title, newspaper name and publication date.

Example: 1XXx (principal), xxXX (document title), n, xx daily, 202 1-09- 18.

④ International and national standards: The contents marked in international and national standards include serial number, standard number and standard name.

For example: 1GB/t, XXXX-202 1, xxxxxx rule S.

⑤ Patent documents: The contents to be marked in patent documents include serial number, patent owner, patent name, P, patent country, patent number and publication date.

Examples: 1xxx (patentee), xxxxxx (patent name), p, China patent: XXXXXX (patent number), 202 1-09- 18.

⑥ Documents with undefined type: The main contents of documents with undefined type are serial number, principal, document title, Z, place of publication, publisher and year of publication.

Examples: 1xxxx (principal), XXXXX (document title), Z, Beijing, xxxxx (publisher), 202 1.